{"id":"vidhyamitra:city-day:erode:1950-12-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/erode/1950-12-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1950-12-20","date_display":"December 20, 1950 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1950,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433635.770833,"kali_year":5052,"ahargana":1845170.2708,"sun":{"sidereal_longitude":244.1917,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":14.3691,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.1774,"elapsed_within_tithi_degrees":10.1774},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.3691,"elapsed_within_degrees":1.0358},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.5608},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1950,"month":12,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2433635.770833,"ahargana":1845170.2708,"kali_year":5052,"ayanamsa_lahiri":23.168,"grahas":{"sun":{"sidereal_longitude":244.415975,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"moon":{"sidereal_longitude":16.635974999999974,"rashi":{"number":1,"name":"Meṣa"},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1},"retrograde":false,"latitude":2.913},"mars":{"sidereal_longitude":281.16627500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":264.75957500000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":310.29167499999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":2},"retrograde":false},"venus":{"sidereal_longitude":253.88317499999994,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":158.993875,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":333.9995,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":153.9995,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1950,"month":12,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2433635.770833,"kali_year":5052,"ahargana":1845170.2708,"sun":{"sidereal_longitude":244.1917,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":14.3691,"rashi":1,"rashi_name":"Meṣa"},"tithi":{"number":11,"name":"Ekādaśī","paksha":"Śukla","full_name":"Śukla Ekādaśī","elongation_degrees":130.1774,"elapsed_within_tithi_degrees":10.1774},"nakshatra":{"number":2,"name":"Bharaṇī","pada":1,"moon_longitude":14.3691,"elapsed_within_degrees":1.0358},"yoga":{"number":20,"name":"Śiva","sum_longitude":258.5608},"karana":{"half_tithi_index":21,"name":"Viṣṭi"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.913,"elongation":130.177},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.913,"opposition_distance":49.823}},"eclipse_window_40days":[]},"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"erode","name":"Erode, Tamil Nadu","lat":11.341,"lon":77.7172,"tz_offset_hours":5.5,"state":"Tamil Nadu","country":"IN","tier":"tier-1"},"sunriseLocal":"06:33","sunsetLocal":"18:01","solarNoonLocal":"12:17","dayLengthHours":11.459489949829894,"dayLengthDisplay":"11 Hours 27 Mins 34 Secs","nightLengthDisplay":"12 Hours 32 Mins 26 Secs","moonriseLocal":"14:52","moonsetLocal":"03:21","rahuKala":{"name":"Rāhu Kāla","start":"12:17","end":"13:43","startHours":12.287988041292188,"endHours":13.720424285020925,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"07:59","end":"09:25","startHours":7.990679310105977,"endHours":9.423115553834714,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"10:51","end":"12:17","startHours":10.85555179756345,"endHours":12.287988041292188,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:14","end":"09:37","startHours":9.232124054670884,"endHours":9.614107052998545,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:02","end":"07:20","startHours":7.03572181428682,"endHours":7.341308212948951,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:54","end":"12:40","startHours":11.906005042964525,"endHours":12.66997103961985,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:02","end":"05:48","startHours":5.0303110730665885,"endHours":5.794277069721915,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:36","end":"06:33","startHours":5.603285570558083,"endHours":6.558243066377241,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:12","end":"14:58","startHours":14.197903032930503,"endHours":14.961869029585829,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:49","end":"18:13","startHours":17.817733016207136,"endHours":18.217733016207134,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:01","end":"18:30","startHours":18.017733016207135,"endHours":18.495211764116714,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:46","end":"19:31","startHours":17.767733016207135,"endHours":19.517733016207135,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:54","end":"00:40","startHours":23.906005042964523,"endHours":24.669971039619853,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"06:33","end":"07:59","startHours":6.558243066377241,"endHours":7.990679310105977,"quality":"auspicious"},{"name":"Amṛta","start":"07:59","end":"09:25","startHours":7.990679310105977,"endHours":9.423115553834714,"quality":"auspicious"},{"name":"Kāla","start":"09:25","end":"10:51","startHours":9.423115553834714,"endHours":10.85555179756345,"quality":"inauspicious"},{"name":"Śubha","start":"10:51","end":"12:17","startHours":10.85555179756345,"endHours":12.287988041292188,"quality":"auspicious"},{"name":"Roga","start":"12:17","end":"13:43","startHours":12.287988041292188,"endHours":13.720424285020925,"quality":"inauspicious"},{"name":"Udveg","start":"13:43","end":"15:09","startHours":13.720424285020925,"endHours":15.152860528749661,"quality":"inauspicious"},{"name":"Chala","start":"15:09","end":"16:35","startHours":15.152860528749661,"endHours":16.585296772478397,"quality":"neutral"},{"name":"Labha","start":"16:35","end":"18:01","startHours":16.585296772478397,"endHours":18.017733016207135,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"18:01","end":"19:35","startHours":18.017733016207135,"endHours":19.585296772478397,"quality":"inauspicious"},{"name":"Chala","start":"19:35","end":"21:09","startHours":19.585296772478397,"endHours":21.152860528749663,"quality":"neutral"},{"name":"Labha","start":"21:09","end":"22:43","startHours":21.152860528749663,"endHours":22.720424285020925,"quality":"auspicious"},{"name":"Amṛta","start":"22:43","end":"00:17","startHours":22.720424285020925,"endHours":24.287988041292188,"quality":"auspicious"},{"name":"Kāla","start":"00:17","end":"01:51","startHours":24.287988041292188,"endHours":25.85555179756345,"quality":"inauspicious"},{"name":"Śubha","start":"01:51","end":"03:25","startHours":25.85555179756345,"endHours":27.423115553834712,"quality":"auspicious"},{"name":"Roga","start":"03:25","end":"04:59","startHours":27.423115553834712,"endHours":28.99067931010598,"quality":"inauspicious"},{"name":"Udveg","start":"04:59","end":"06:33","startHours":28.99067931010598,"endHours":30.55824306637724,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:33","end":"07:33","startHours":6.558243066377241,"endHours":7.558243066377241,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"07:33","end":"08:33","startHours":7.558243066377241,"endHours":8.55824306637724,"planetary_lord":"Venus"},{"name":"Hora 3","start":"08:33","end":"09:33","startHours":8.55824306637724,"endHours":9.55824306637724,"planetary_lord":"Sun"},{"name":"Hora 4","start":"09:33","end":"10:33","startHours":9.55824306637724,"endHours":10.55824306637724,"planetary_lord":"Mars"},{"name":"Hora 5","start":"10:33","end":"11:33","startHours":10.55824306637724,"endHours":11.55824306637724,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"11:33","end":"12:33","startHours":11.55824306637724,"endHours":12.55824306637724,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"12:33","end":"13:33","startHours":12.55824306637724,"endHours":13.55824306637724,"planetary_lord":"Moon"},{"name":"Hora 8","start":"13:33","end":"14:33","startHours":13.55824306637724,"endHours":14.55824306637724,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"14:33","end":"15:33","startHours":14.55824306637724,"endHours":15.55824306637724,"planetary_lord":"Venus"},{"name":"Hora 10","start":"15:33","end":"16:33","startHours":15.55824306637724,"endHours":16.55824306637724,"planetary_lord":"Sun"},{"name":"Hora 11","start":"16:33","end":"17:33","startHours":16.55824306637724,"endHours":17.55824306637724,"planetary_lord":"Mars"},{"name":"Hora 12","start":"17:33","end":"18:33","startHours":17.55824306637724,"endHours":18.55824306637724,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"18:33","end":"19:33","startHours":18.55824306637724,"endHours":19.55824306637724,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"19:33","end":"20:33","startHours":19.55824306637724,"endHours":20.55824306637724,"planetary_lord":"Moon"},{"name":"Hora 15","start":"20:33","end":"21:33","startHours":20.55824306637724,"endHours":21.55824306637724,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"21:33","end":"22:33","startHours":21.55824306637724,"endHours":22.55824306637724,"planetary_lord":"Venus"},{"name":"Hora 17","start":"22:33","end":"23:33","startHours":22.55824306637724,"endHours":23.55824306637724,"planetary_lord":"Sun"},{"name":"Hora 18","start":"23:33","end":"00:33","startHours":23.55824306637724,"endHours":24.55824306637724,"planetary_lord":"Mars"},{"name":"Hora 19","start":"00:33","end":"01:33","startHours":24.55824306637724,"endHours":25.55824306637724,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"01:33","end":"02:33","startHours":25.55824306637724,"endHours":26.55824306637724,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"02:33","end":"03:33","startHours":26.55824306637724,"endHours":27.55824306637724,"planetary_lord":"Moon"},{"name":"Hora 22","start":"03:33","end":"04:33","startHours":27.55824306637724,"endHours":28.55824306637724,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"04:33","end":"05:33","startHours":28.55824306637724,"endHours":29.55824306637724,"planetary_lord":"Venus"},{"name":"Hora 24","start":"05:33","end":"06:33","startHours":29.55824306637724,"endHours":30.55824306637724,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Kanyā","Tulā","Makara","Kumbha"],"unfavorable_rashis":["Vṛṣabha","Karka","Siṃha","Vṛścika","Dhanu","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"East","rahuVasa":"South-West","anandadiYoga":{"name":"Padma","quality":"Auspicious"},"tropicalRitu":"Hemanta (Pre-winter)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.414423313379405,"eotMinutes":1.851917522468745,"ayanamsa":23.168}},"calendars":{"vikram_samvat":2007,"vikram_samvatsara":"Śobhana","saka_samvat":1872,"saka_samvatsara":"Vikṛti","bengali_samvat":1357,"malayalam_era":1126,"nanakshahi_year":481,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Mārgaśīrṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Śukla Ekādaśī · Vikram 2007 Śobhana · Śaka 1872 Vikṛti"},"festivals":[{"id":"gita-jayanti","name":"Gītā Jayantī (= Mokṣadā Ekādaśī)","name_sanskrit":"गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad-Gītā speaker)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra (Mahābhārata Day 1).","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":1,"related_chart":"krishna","historical_anchor":{"event":"Bhagavad Gītā delivered at Kurukṣetra (Mahābhārata Day 1)","date_julian":"-3137-10-04","location":"Kurukṣetra"},"sources":["Bhagavad Gītā (Mahābhārata, Bhīṣma Parva)"]},{"id":"vaikuntha-ekadashi","name":"Vaikuṇṭha Ekādaśī","name_sanskrit":"वैकुण्ठ एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Most sacred Ekādaśī of the year; 'Vaikuṇṭha-dvāram udghaṭitam'.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":2},{"id":"mokshada-ekadashi","name":"Mokṣadā Ekādaśī (Gītā Jayantī)","name_sanskrit":"मोक्षदा एकादशी / गीता जयन्ती","tradition":"Vaishnava","associated_deity":"Krishna (Bhagavad Gītā delivery)","significance":"Day Bhagavad Gītā was delivered at Kurukṣetra.","vrata":true,"detection":{"tithi_number":11,"tithi_paksha":"Śukla","lunar_month":"Mārgaśīrṣa"},"precedence":3},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Budhavāra (Wednesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"erode"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 20, 1950 CE · Erode, Tamil Nadu · Vidhyamitra","description":"December 20, 1950 CE for Erode, Tamil Nadu: Śukla Ekādaśī, sūryodaya 06:33, sūryāsta 18:01.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/erode/1950-12-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/erode/1950-12-20","sa":"https://sa.vidhyamitra.com/city/erode/1950-12-20","hi":"https://hi.vidhyamitra.com/city/erode/1950-12-20","x-default":"https://vidhyamitra.com/city/erode/1950-12-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-30T23:01:04.690Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-30T23:01:04.690Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-30T23:01:04.690Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}